linux-kernel - Re: [PATCH] fix:iio:common:st_sensors:st_sensors_trigger:mark symbols static where possible

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Date:   Sat, 27 Aug 2016 10:44:59 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Baoyou Xie <baoyou.xie@...aro.org>
Cc:     Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>, rob@...nel.org,
        maitysanchayan@...il.com,
        Crestez Dan Leonard <leonard.crestez@...el.com>,
        Gregor Boirie <gregor.boirie@...rot.com>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...aro.org>, xie.baoyou@....com.cn
Subject: Re: [PATCH] fix:iio:common:st_sensors:st_sensors_trigger:mark symbols
 static where possible

On Sat, Aug 27, 2016 at 8:26 AM, Baoyou Xie <baoyou.xie@...aro.org> wrote:

> We get 2 warnings when biuld kernel with W=1:
> drivers/iio/common/st_sensors/st_sensors_trigger.c:69:13: warning: no previous prototype
> for 'st_sensors_irq_handler' [-Wmissing-prototypes]
> drivers/iio/common/st_sensors/st_sensors_trigger.c:85:13: warning: no previous prototype
> for 'st_sensors_irq_thread' [-Wmissing-prototypes]
>
> In fact, these functions are only used in the file in which they are
> declared and don't need a declaration, but can be made static.
> so this patch marks these functions with 'static'.
>
> Signed-off-by: Baoyou Xie <baoyou.xie@...aro.org>

Reviewed-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij